The Export results and Print preview buttons when viewing the page of a survey part are only visible to logged in users who have the Supervisor rights checkbox marked in users in NetCommunity.

These buttons are available within the survery part to any user who has permission to edit the survey part.  To access the Export results and Print preview buttons as a non-Supervisor user with permission to edit the survey part:
  1. Edit the page containing the survey part
  2. Edit the survey part
  3. Scroll to the bottom of the Design tab to access the Print preview and Export results buttons